111202020200 has 48 divisors (see below), whose sum is σ = 258569170380. Its totient is φ = 44476597760.

The previous prime is 111202020191. The next prime is 111202020203. The reversal of 111202020200 is 2020202111.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 32899429924 + 78302590276 = 181382^2 + 279826^2 .

It is a super-2 number, since 2×111202020200² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111202020203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2907602 + ... + 2945598.

Almost surely, 2^111202020200 is an apocalyptic number.

111202020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111202020200 is an abundant number, since it is smaller than the sum of its proper divisors (147367150180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111202020200 is a wasteful number, since it uses less digits than its factorization.

111202020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52646 (or 52637 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 111202020200 its reverse (2020202111), we get a palindrome (113222222311).

The spelling of 111202020200 in words is "one hundred eleven billion, two hundred two million, twenty thousand, two hundred".